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The genus Hemibidessus Zimmermann, 1921 is revised. Six species are recognized in the genus. Two new species are described, H. spirodiscus sp. n. from Bolivia and H. spangleri sp. n. from Argentina. A key for identifying the species is presented. The female genitalia are thoroughly illustrated...
This is the first record for the subfamily Psychodinae from Ecuador and a new species belonging to genus Arisemus, A. triconnectus, is described.
Brachyptera berkii sp. n. is described and illustrated from Western Turkey.
The main morphological characters for the identification of the larvae and pupae of Stenochorema crassicostum Schmid are given and compared with other Hydrobiosidae larvae and pupae, especially Schajovskoya neuquensis. Currently the genus Stenochorema is only known from Chile. The larvae of 12...
A new species of chironomid midge, Macropelopia amplituberculata sp. n. and a Palaearctic species, M. nebulosa (Meigen), with immature stages are redescribed from the hilly areas of Darjeeling and Sikkim. The male and pupa of the newly proposed species fit well in the ‘ notata ’ group.
Anacroneuria starki Fenoglio and Morisi sp. n. from Zelaya, Nicaragua, is described for adult male and female. The description is supported by original drawings and relationships with closely related species are discussed.
Helicopsyche trispina sp. n. is described from Grande Terre, New Caledonia, based on pharate males, larvae and pupae. The species appears to belong to the monophyletic New Caledonian Helicopsyche clade.
A new species, Rhithrogena trispina sp. n. from Tian-Mu-Shan Mountain of Southeast China, is described and figured in detail at the imaginal stage. From the position of gonopore on the penis lobe, it belongs to the znojkoi-group.
The mature larva of a new species, Neoephemera projecta sp. n., from China is described in detail. It represents a new country record of the genus for China. The discovery shows that the genus Neoephemera McDunnough has a more extensive Holarctic distribution than previously known. Ecological...
The waterscorpion Telmatotrephes simpsonae Sites and Polhemus is described and illustrated based on two male specimens collected in a small stream among rootmats and leafpacks in Phitsanulok Province, north-central Thailand. This brings the number of described species of the genus to seven,...
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